{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:G7WQKBLT7ACHLB34Z76ZHIDW6C","short_pith_number":"pith:G7WQKBLT","canonical_record":{"source":{"id":"1603.06466","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"physics.ins-det","submitted_at":"2016-03-16T15:18:55Z","cross_cats_sorted":["nucl-ex"],"title_canon_sha256":"4f29b0c44478989d11844687da85017458bfd3b8373189f8ee945ae0fc5b1daa","abstract_canon_sha256":"a040f3af14f4af29297ccd653ac791fbf79aaa2d423f559280884bb899b2bc56"},"schema_version":"1.0"},"canonical_sha256":"37ed050573f80475877ccffd93a076f0a29f249a31eb9390d708f433203b90f1","source":{"kind":"arxiv","id":"1603.06466","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1603.06466","created_at":"2026-05-18T01:18:48Z"},{"alias_kind":"arxiv_version","alias_value":"1603.06466v1","created_at":"2026-05-18T01:18:48Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1603.06466","created_at":"2026-05-18T01:18:48Z"},{"alias_kind":"pith_short_12","alias_value":"G7WQKBLT7ACH","created_at":"2026-05-18T12:30:15Z"},{"alias_kind":"pith_short_16","alias_value":"G7WQKBLT7ACHLB34","created_at":"2026-05-18T12:30:15Z"},{"alias_kind":"pith_short_8","alias_value":"G7WQKBLT","created_at":"2026-05-18T12:30:15Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:G7WQKBLT7ACHLB34Z76ZHIDW6C","target":"record","payload":{"canonical_record":{"source":{"id":"1603.06466","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"physics.ins-det","submitted_at":"2016-03-16T15:18:55Z","cross_cats_sorted":["nucl-ex"],"title_canon_sha256":"4f29b0c44478989d11844687da85017458bfd3b8373189f8ee945ae0fc5b1daa","abstract_canon_sha256":"a040f3af14f4af29297ccd653ac791fbf79aaa2d423f559280884bb899b2bc56"},"schema_version":"1.0"},"canonical_sha256":"37ed050573f80475877ccffd93a076f0a29f249a31eb9390d708f433203b90f1","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:18:48.466349Z","signature_b64":"nq+Hkff9c3uIPxAepyqEwOlPr8Wzbku7T3jkJByGaJfzdoD3rLJ052Pir75sFRCEvrEZknR730KfDtkCr2q5Bg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"37ed050573f80475877ccffd93a076f0a29f249a31eb9390d708f433203b90f1","last_reissued_at":"2026-05-18T01:18:48.465696Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:18:48.465696Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1603.06466","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:18:48Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"7ie66NNylGeGVCqoXUYk5Kzq94FuiWgu/WKdX5Rb3DRDkOg7n5Of2WnRfk+nvB0fBB1iWW6asG1r4dm+W0aTAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T23:45:48.349473Z"},"content_sha256":"53b6ec0cde85c33639f32b63f3474d1a00743d0a0cc70fd09a4e4e9e7ef80681","schema_version":"1.0","event_id":"sha256:53b6ec0cde85c33639f32b63f3474d1a00743d0a0cc70fd09a4e4e9e7ef80681"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:G7WQKBLT7ACHLB34Z76ZHIDW6C","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Development and prospect of Very Small Angle Neutron Scattering (VSANS) Techniques","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","headline":"","cross_cats":["nucl-ex"],"primary_cat":"physics.ins-det","authors_text":"Fang-wei Wang, He Cheng, Taisen Zuo, Yuan-Bo Chen","submitted_at":"2016-03-16T15:18:55Z","abstract_excerpt":"Very Small Angle Neutron Scattering (VSANS) is an upgrade of the traditional Small Angle Neutron Scattering (SANS) technique which can cover three orders of magnitude of length scale from one nanometer to one micrometer. It is a powerful tool for structure calibration in polymer science, biology, material science and condensed matter physics. Since the first VSANS instrument, D11 in Grenoble, was built in 1972, new collimation techniques, focusing optics (multi-beam converging apertures, material or magnetic lenses, and focusing mirrors) and higher resolution detectors combined with the long f"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1603.06466","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:18:48Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"dFVUgCtgEf8PUB+FU8LnmVP694flBkgNtS+T99WMXdIjl5b8GWrjHWHzK5tSvKU8DCkiXgD6UpmMSOeINm9PDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T23:45:48.350128Z"},"content_sha256":"5763abd7a5dfc3b5d91eb050ca75593607332a5e214259749c2408dafc231cf7","schema_version":"1.0","event_id":"sha256:5763abd7a5dfc3b5d91eb050ca75593607332a5e214259749c2408dafc231cf7"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/G7WQKBLT7ACHLB34Z76ZHIDW6C/bundle.json","state_url":"https://pith.science/pith/G7WQKBLT7ACHLB34Z76ZHIDW6C/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/G7WQKBLT7ACHLB34Z76ZHIDW6C/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-05-25T23:45:48Z","links":{"resolver":"https://pith.science/pith/G7WQKBLT7ACHLB34Z76ZHIDW6C","bundle":"https://pith.science/pith/G7WQKBLT7ACHLB34Z76ZHIDW6C/bundle.json","state":"https://pith.science/pith/G7WQKBLT7ACHLB34Z76ZHIDW6C/state.json","well_known_bundle":"https://pith.science/.well-known/pith/G7WQKBLT7ACHLB34Z76ZHIDW6C/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:G7WQKBLT7ACHLB34Z76ZHIDW6C","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"a040f3af14f4af29297ccd653ac791fbf79aaa2d423f559280884bb899b2bc56","cross_cats_sorted":["nucl-ex"],"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"physics.ins-det","submitted_at":"2016-03-16T15:18:55Z","title_canon_sha256":"4f29b0c44478989d11844687da85017458bfd3b8373189f8ee945ae0fc5b1daa"},"schema_version":"1.0","source":{"id":"1603.06466","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1603.06466","created_at":"2026-05-18T01:18:48Z"},{"alias_kind":"arxiv_version","alias_value":"1603.06466v1","created_at":"2026-05-18T01:18:48Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1603.06466","created_at":"2026-05-18T01:18:48Z"},{"alias_kind":"pith_short_12","alias_value":"G7WQKBLT7ACH","created_at":"2026-05-18T12:30:15Z"},{"alias_kind":"pith_short_16","alias_value":"G7WQKBLT7ACHLB34","created_at":"2026-05-18T12:30:15Z"},{"alias_kind":"pith_short_8","alias_value":"G7WQKBLT","created_at":"2026-05-18T12:30:15Z"}],"graph_snapshots":[{"event_id":"sha256:5763abd7a5dfc3b5d91eb050ca75593607332a5e214259749c2408dafc231cf7","target":"graph","created_at":"2026-05-18T01:18:48Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"paper":{"abstract_excerpt":"Very Small Angle Neutron Scattering (VSANS) is an upgrade of the traditional Small Angle Neutron Scattering (SANS) technique which can cover three orders of magnitude of length scale from one nanometer to one micrometer. It is a powerful tool for structure calibration in polymer science, biology, material science and condensed matter physics. Since the first VSANS instrument, D11 in Grenoble, was built in 1972, new collimation techniques, focusing optics (multi-beam converging apertures, material or magnetic lenses, and focusing mirrors) and higher resolution detectors combined with the long f","authors_text":"Fang-wei Wang, He Cheng, Taisen Zuo, Yuan-Bo Chen","cross_cats":["nucl-ex"],"headline":"","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"physics.ins-det","submitted_at":"2016-03-16T15:18:55Z","title":"Development and prospect of Very Small Angle Neutron Scattering (VSANS) Techniques"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1603.06466","kind":"arxiv","version":1},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:53b6ec0cde85c33639f32b63f3474d1a00743d0a0cc70fd09a4e4e9e7ef80681","target":"record","created_at":"2026-05-18T01:18:48Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"a040f3af14f4af29297ccd653ac791fbf79aaa2d423f559280884bb899b2bc56","cross_cats_sorted":["nucl-ex"],"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"physics.ins-det","submitted_at":"2016-03-16T15:18:55Z","title_canon_sha256":"4f29b0c44478989d11844687da85017458bfd3b8373189f8ee945ae0fc5b1daa"},"schema_version":"1.0","source":{"id":"1603.06466","kind":"arxiv","version":1}},"canonical_sha256":"37ed050573f80475877ccffd93a076f0a29f249a31eb9390d708f433203b90f1","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"37ed050573f80475877ccffd93a076f0a29f249a31eb9390d708f433203b90f1","first_computed_at":"2026-05-18T01:18:48.465696Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:18:48.465696Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"nq+Hkff9c3uIPxAepyqEwOlPr8Wzbku7T3jkJByGaJfzdoD3rLJ052Pir75sFRCEvrEZknR730KfDtkCr2q5Bg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:18:48.466349Z","signed_message":"canonical_sha256_bytes"},"source_id":"1603.06466","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:53b6ec0cde85c33639f32b63f3474d1a00743d0a0cc70fd09a4e4e9e7ef80681","sha256:5763abd7a5dfc3b5d91eb050ca75593607332a5e214259749c2408dafc231cf7"],"state_sha256":"3ed3860f27670dc3dc6f4c02557a7666a81b59d7c70005895099f2d9305bc392"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"EeyAsE+YzFO+LcUuWy94ejsJpaNOwiHuaBhEzdQBtd7weC+TdjGG6yBw7OGDhPKnAfqRA+HGvOWiK9iZl6fgAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T23:45:48.353144Z","bundle_sha256":"b0a906801baf296033ee383486a4f1ae5cb31d9e0c61febd4ffd2f3e184fe495"}}